漏钢预报在板坯连铸的应用

以天津钢铁有限公司炼钢厂4#板坯连铸机为应用背景,结合炼钢厂4#板坯连铸热电偶在结晶器中的实际埋设情况,对4#板坯连铸的漏钢预报系统进行了软件部分的理论分析和现场应用研究,从而实现了提高4#板坯连铸机漏钢预报系统的预报准确率和及时性的目的.     

韶钢宽板坯连铸机漏钢预报系统的应用

介绍了韶钢第三炼钢厂宽板坯连铸机漏钢预报系统的原理和应用情况,并通过实践应用,对漏刚预报系统的关键设备结晶器进行改造和对漏钢预报系统进行了参数优化,使DANIELI公司开发的结晶器漏钢预报系统技术在韶钢宽板坯连铸机上得到了进一步完善,极大减少了漏钢事故的发生,取得了显著的经济效益.     

宝钢板坯连铸漏钢预报系统（BBPS）的开发与应用

漏钢预报是连铸的一顶重要技术,文中重要介绍了宝钢开发的漏钢预报系统BBPS,该系统从1999年9月投入现场应用以来,操作性能和各项技术指标双原引进日本的漏钢预报装置有较大的提高,在提高连铸机的产能、改善铸坯质量、减少漏钢事故等方面发挥了重要作用,该技术已完全取代了原来引进日本的技术。     

宝钢板坯连铸漏钢预报系统的开发与应用

宝钢开发的连铸漏钢预报系统ＢＢＰＳ,其预报模型由逻辑判断、神经元网络及空间网络判断模型综合而成。自从１９９９年９月投入现场应用以来,操作性能和各项技术指标比原漏钢预报装置有较大的提高,在提高连铸机的产能、改善铸坯质量、减少漏钢事故等方面发挥了重要作用。     

连铸粘附性漏钢预报装置工作原理及应用分析

本文介绍了采用热电偶测量连铸结晶器铜板温度在发生粘附性漏钢前的变化，通过数据处理，逻辑判断，预报粘附性漏钢的原理，并对其在宝钢板坯连铸机二年多的应用绩进行分析。     

鞍钢板坯连铸拉漏预报系统投入试运行

日前 ,鞍钢集团新钢铁公司第三炼钢厂与有关单位共同努力 ,使两台板坯连铸机、共四个流 ,全部安装了防漏钢自动监测预报系统 ,并投入试运行。此项技术填补了该厂在这一领域的空白。板坯连铸拉漏预报系统是目前国际、国内冶金行业应用在连铸生产中较为先进、成熟的技术。它通过在连铸结晶器铜板上安装热电耦。在短时间内连续检测结晶器铜板温度的变化 ,从而对拉坯过程进行监控。经举对减少、扼制粘结漏钢事故 ,增强连铸生产效能具有明显效果。鞍钢板坯连铸拉漏预报系统投入试运行     

宝钢炼钢的技术进步与展望

简要介绍了宝钢炼钢的总体概况、二十多年来钢产量的提高和品种的拓展情况,介绍了宝钢炼钢在铁水预处理、转炉、电炉、二次精炼、连铸、不锈钢和资源综合利用等方面的技术进步,阐述了近年来自主开发集成的纯净钢生产、RH真空精炼、板坯连铸漏钢预报系统、滚筒法钢渣处理等技术的现状和水平,这些技术的采用为宝钢开发生产高难度、高附加值产品以及资源综合利用创造了良好的条件.提出了宝钢炼钢未来的发展方向.     

连铸漏钢预报方法及装置

连铸机在浇注中由于拉漏而造成的漏钢是实现连铸机高速铸造提高铸机产量的一大障碍,且漏钢还损坏了设备,因此国内外都竞相研究产生漏钢的原因及其防止对策,开发了能预报漏钢的仪表装置。连铸机的漏钢大致可分为两类,即粘结性漏钢和非粘结性漏钢。漏钢预报的方法根据漏钢种类的不同采取了不同的测量原理。对于漏钢事故中发生率最高的粘结性漏钢,目前较成熟的预报方法是将热电偶埋入结晶器铜板内测量其温度的变化。宝钢1930板坯连铸机配置了这种测量原理的漏钢预报仪表系统。     

宝钢板坯连铸漏钢预报系统的开发与应用

简要介绍了宝钢开发的漏钢预报系统（BBPS）,该系统从1999年9月投入现场应用以来,操作性能和各项技术指标比原引进日本的漏钢预报装置有较大的提高,在提高连铸机的产能、改善铸坯质量、减少漏钢事故等方面发挥了重要作用,该技术已完全取代了原来引进日本的技术。     

神经网络在宝钢连铸漏钢预报系统中的应用

介绍了连铸粘结性漏钢产生的机理和过程,以及宝钢利用人工神经网络技术建立的一套新的漏钢预报系统。该系统在预报精度和系统性能等方面均优于宝钢原有的漏钢预报装置。     

熔炼次数对M17返回料合金成分、组织和性能的影响

实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.